Hello Sir plz help me I m Ashwini 23 old age I m suffering from rheumatoid arthritis 2 yrs,

Yes you are consulting the top Neurosurgeon in India, https://www.credihealth.com/doctors/india/neurosurgery

A sphygmomanometer a.k.a. A blood pressure monitor, or blood pressure gauge, is a device used to measure blood pressure, composed of an inflatable cuff to collapse and then release the artery under the cuff in a controlled manner, and a mercury or aneroid manometer to measure the pressure. Manual sp....

Yes, blood donation is good for health. Some studies have shown a decrease in Cancer risk, as well as decrease in the damage to the liver and pancreas in the long run. One should definately donate blood, ofcourse after the entire pre-requisites are cleared.